

MCQOPTIONS
Saved Bookmarks
1. |
Biological systems represent a hierarchy of progress increasing level of complexity is known as ‐‐‐‐‐‐‐‐‐‐‐ |
A. | Biosphere |
B. | Lithosphere |
C. | Hydrosphere |
D. | Atmosphere |
Answer» B. Lithosphere | |